Kenwood TK-3107 Service Manual page 19

TX-RX UNIT(X57-6030-10)
C25 L6
470p 18n
C29
X1 2p
L77-1877-25
T:4.9V 12.8MHz
R:4.9V
C5
R29 4.7u6.3 R3
0 10
R19
100
CV
C4
R11
0.1u 47k
VR1
UNLOCK 68k R18
DETECT
100k
D7 R2 R5 R7 R10 R13 L7
1k 560 560 2.2k 0
DA2S101 L2
8.2u
R:4.9V
L5 R14
560n 100
C28
33p
CP1 R8 C19 L16 L17
1kX4
330k 0.01u 220n 220n
TRIPLER
IC1
Q1
MB15A02PFV2E1
2SC4649(N,P)
R:0.7V
PHASE LOCKED
LOOP SYSTEM
TO
RX
R406 2.2k
Q402
RT1P144U-T111 T:5.1V T:5.0V
T:5.1V
R:0V R:2.2V
R:5.1V DC SW
L401 C414
470p
DC SW
Q406
EEPROM FP210
VOLTAGE REGULATOR
IC401
T:5.1V T:5.1V
CAT24WC08JI18 IC404
R:5.1V R:5.1V
XC6201P502P-G R540 R411 R407 R424 R425
1 8 5M VOUT 0 220k 1k
A0 VCC VIN 3.3k 3.3k
2 7 VSS
A1 WP
3 6
A2 SCL
4 5
C412
VSS SDA DC SW DC SW
10p
DC SW
R401 R405
Q403 Q405 T:2.0V
100k 1k UPA672T-A
RT1N441U-T111 T:0V
T:2.0V
X400 R:6.0V
R:1.9V
L77-1761-15
RESET SW
7.3728MHz
IC400 2.3V
T:5.1V VOLTAGE DETECT
PST9140NR
R:5.1V IC402 C415 R412 L403
1 5
NC VCC 5M R3111N451C-FB
10p 10 220n
2 R404 1 5 BEAT
VEE1
3 4 oUT NC2 SHIFT SW
VEE2 OUT 0 2 SB
VDD
3 4 5MS
GND NC1
SAVE
5TC
WNRC
VCCN
T:4.9V
R:4.9V C420 C422
C418 0.01u 0.01u C425
R1
R417
0.01u 0.01u
1k
10
LED TX LED BUSY
50 26
51 25
DC SW DC SW MONI
Q400 Q401 SELF 5.1V 5.1V
RT1N141U-T111 RT1N141U-T111 DT
CK RXD
TXD
LE PTT
R418
MICROPROCESSOR TO 2.2k
5MC BEEP PTT MONI
AFCO
RX IC403
38268MCA060GU
GLED R502
RLED
SAVE APC 82k
R:4.8V R:4.7V
MUTE VCCN
5RC R413
5TC BATT 1k
BUSY
TI
CHANNEL SWITCH TIBI
POWER SWITCH VC2
R500 R501 R513
AUDIO VOLUME VC1
75 1
4.7k 4.7k 33k
76 100
L402
CN400 T:5.1V
220n
10 ENC2 R:5.1V
L400
9 ENC3
8 SB 220n
7
6 B
5 ENC1
4 ENC0
3 TO VOLUME
2 TO AF AMP
MUTE
1 R430 AFCO
RX
100 SB
R431
0
RF AMP
Q2
2SC5108(Y)F
C54
3p(B)
VCO TX
L9 D4 C35 L14
2SC4228(R44)
T:2.4V 3.3u MA2S376 23n
7p T:1.4V
R:2.4V
R:0V
C49
0.5p(B)
D2,4
D5
FREQ. R26
CONTROL TX MODULATION
L10 R22 100
MOD MOD
47k
D1,3 L15 R28
FREQ.
100n 22
CONTROL T:0V
R:4.0V
C39
D3
L8 MA2S376 C34 L13 8p C47
T:0V
R:5.0V 100n 23n
18p 1p(B)
VCO RX
5R 5R
Q3
T:0V
2SK508NV(K52) R:1.0V
TO
5C 5C
2nd Local 2nd Local
RX RX
5R
5T 5T
C301
C305 R303
0.01u(J) 3.3k 0.018u
Q408 AUDIO AMP
R317
RT1P237U-T111 ACTIVE FILTER
DC SW 270k(D) IC300
NJM2902V-ZB
R312
B B
12k 1 14 R304
T:7.4V C309 2 13 1M
R:7.5V R302
0.01u(J) 3 12
5.6k
4 11
VDD VSS
5 10
C312 C316 6 9
0.01u(J) 0.01u(J) 7 8
R340
R:1.8V
120k(D)
R321 R307
R:2.1V 22k 47k
C321 C320
Q300
2SC4617(S) Q303
R:1.5V 0.033u(J) 0.033u(J)
RT1P441U-T111
ACTIVE R326
FILTER DC SW
5.6k(D)
W:5.0V
N:0V
TP3
AUDIO
MUTE SW
Q302
R:3.9V
2SK1824-A
WNRC WNRC
TIBI TIBI
5MS 5MS 5MS
TI TI
BUSY BUSY BUSY
R548
B
3.3k APC APC APC
TXD TXD TXD
PTT PTT PTT
C503 ACTIVE
FILTER
0.033u
Q501
R508
2SC4617(S)
5.6k T:2.9V
TH501
C507 R510
3k 2.2u4 3.3k
C504 C505 R506
TO
4.7u6.3 1u 22k
R503
68k
VR500
220k
TO TO
B B
WNTC WNTC
TO VOLUME TO VOLUME
MUTE MUTE
AFCO AFCO
RX RX
SB SB
TO AF AMP TO AF AMP
Q4 T:4.8V
C108
RF AMP
T:3.8V 7p
RF BUFFER AMP Q100 RF SW
R:3.8V
Q6 2SC5108(Y)F C105 D100 C106
2SC5108(Y)F C53 C100
6p HSC277 470p
Q101
6p 22p 2SC5108(Y)F
T:1.1V TX PRE-DRIVE
R:1.3V
DC SW
Q5
2SJ243-A
DC SW
Q7
UMC4N L19
R33
1k RF SW
RIPPLE FILTER
Q8
T:4.2V
2SC4617(S) R:4.2V
T:0.1V
R:4.3V
CURRENT
STEERING
B
2nd Local 2nd Local
5R 5R
5T 5T
R:4.9V
2nd IF 450kHz
R200
10
R201 C205
1k 330p
R202 C206
R320
390k 330p
47k
ACTIVE
FILTER IF SYSTEM
IC200
IC301
NJM2904V-ZB TA31136FNG
C303
1 8
0.1u V+
2 7
R:1.1V
QT/DQT R311 3 6 R318
0 4 5 180k
GND
C338
56p
R323
100k
D300
DA221
R:1.8V
5R
R:1.8V
LIMITER
AF AF
TIBI
5MS 5MS
TI
BUSY BUSY
B B
APC APC
TXD TXD
PTT PTT
MIC AMP/LIMITER
IC500
R524
NJM2100V-ZB
ACTIVE
T:3.1V T:3.1V 51k
FILTER 5 4
R514 Q502 R519 V-
T:0.5V C516 6 3
2SC4617(S)
33k 33k
R520 C514 R523 10p 7 2
T:2.9V
33k 0.047u 6.8k 8 1
V+
C509 R515 C511 C512
3300p 33k 0.047u 3300p
DC SW
W:0V
Q500 R525 C518
N:5V 2SK1824-A
1.5k 0.022u(J)
WNTC
MUTE MUTE
AFCO AFCO
RX RX
SB SB
TO AF AMP TO AF AMP
TX DRIVE
T:7.1V
Q105
RFM01U7P L119 C119 R127
T:0.5V
2.2n
R112 C111 R115 C114 R120 1000p 0
T:0.9V
1.5k 6p 10 470p 0
T:0.5V
Q102
2SC4988-E
TX DRIVE
T:1.0V
5T
APC APC
R155
0
Q110
RT1N140U-T111
TEMPERATURE
T:7.4V
PROTECTION SW
B
B
R:4.9V
5R
CF200
L72-0958-05
R:4.2V OUT IN R:3.7V
TP2
2nd LOCAL
38.4MHz
IF AMP 1st IF 38.85MHz
R:3.9V XF201
Q201 R:0.7V R:4.9V
2SC4649(N,P) L71-0522-05
MIXER
R210 C214 OUT IN R239 C267 R240 R240
Q202
470 0.01u 270 47p 0 0 3SK318
D G2
C264
S G1
22p
R:0.6V
R226
560
R:1.0V
C210 C212
C218
0.01u 33p
470p
R207 DC SW
100k Q200
RT1P141U-T111
5R
5MS
B
B
APC APC
TXD TXD
PTT PTT
Q504
DTA143ZE
DC SW
R:5.1V
T:5.1V
C520 C524 C525 L500
0.022u(J) 0.1u
0.027u(J)
AGC MIC MUTE
DETECT /AGC SW
D500 D501 MIC MUTE
1SS372F DAN222
/AGC
R530
R532
Q503
100
820 2SC4919
AFCO
SB
TO AF AMP
ANTENNA SW
D105
C149 C151 C154
HVC131
TX FINAL 3p(B) 1p(B) 1.5p(B)
T:7.3V
Q107 D101
RD07MUS2BT112 R123 C138 HVU131-E C145 L112 L113 L114
ANT
0 470p 4T 5T 4T
100p
T:7.3V
T:7.4V
R147
0
D102,103
ANTENNA SW
5T
R144
APC
2.2k
R136
DC SW
150k(D)
Q106 APC
2SK1830F C134
IC100
100p NJM2904V-ZB
DC SW
1 8 Q109
V+ RT1P441U-T111
R133 2 7
150k(D) 3 6 R142
4 5 1M
R134 GND
B
150k(D)
R145
R138 180k
150k(D)
5T
T:5.1V Q108
RT1N141U-T111
DC SW
APC APC
C238 C226
MIXER
0.3p 0.3p RF AMP
C228 L207 R225 Q203
3SK318 C233 C234
27p 12n 10 D G2
C263 0.3p(B) 0.3p(B)
S G1
22p
R:0.9V C235
3.5p
R228
R230 R231 R232
100k
100k 100k 100k
BPF TUNING
BPF TUNING D202,204
5R R221 BPF TUNING
R:5.0V 100k
R:1.6V
R341
TUNE TUNE
100k
5MS
REVERSE 7.5V
PROTECTION
F500
B L501
APC
TXD 3.0A
PTT
IC302 AUDIO MUTE SW
TA7368FG R:3.4V R:3.4V
Q308
1 10 SSM3K01T(F) C337 R536
NC1 PoUT
C327 2 9 100u6.3 1k
VCC PW-GND
0.1u 3 8 R537 R539
NC2 100 0 J500
PRE-GND PTT
R327 4 7 C330
MIC
DC SW VIN PHASE
0 5 6 100p
Q305
RIPPLE NF R538 5MS
2SA1362-F(GR) R332 C332
AFG
100
TXD
150 10u6.3
C334 AUDIO POWER AMP
NC
220p SP
R:7.5V R:7.1V
R333
470k
DC SW
C333
0.47u
Q304
Q306 MIC500
RT1N441U-T111 RT1N441U-T111
AFCO
DC SW
SB
TO AF AMP